London is 5 hours ahead of Cincinnati. Cincinnati uses Eastern Time (ET, UTC-5/-4) while London uses Greenwich Mean Time/British Summer Time (GMT/BST, UTC+0/+1). When it's 12:00 PM in Cincinnati, it's 5:00 PM in London.
Both cities observe daylight saving time, though on slightly different schedules, so the difference can vary during transition periods.
Best calling time: 8:00 AM - 12:00 PM Cincinnati time. This corresponds to 1:00 PM - 5:00 PM in London, catching afternoon business hours in the UK.
Cincinnati-based companies like P&G have significant operations in the UK. The UK is also an important market for Cincinnati's consumer goods industry. British Airways and other carriers provide connections via major US hubs.